- Science
Outer Solar System Object Has an Atmosphere But Shouldn’t
To be innovators striving
to solve the mysteries of the Universe
The National Astronomical Observatory of Japan (NAOJ) is a research institute that serves as the center of astronomical research in Japan.
It provides large-scale astronomical observation facilities to researchers throughout Japan and widely promotes astronomical research and the development of astronomical instruments.
News
Recent scence results and our activities
- Science
Subaru Telescope Captures Comet 3I/ATLAS Composition Change
- Science
How Jupiter Cultivated More Large Moons than Saturn — A magnetospheric cavity explains the difference
- Science
We are Not Alone: Our Sun Escaped From Galactic Center Together with Stellar “Twins”
- Science
Theory-Breaking Extremely Fast-Growing Black Hole
- Science
Cotton Candy Worlds Evolve into Rock Candy Worlds
- Topics
A new-year’s message from the Director General, NAOJ
- Science
First Discoveries from New Subaru Telescope Program
- Topics
NAOJ and KASI Sign ALMA Collaboration MoU Amendment
Careers
Work that leads to the solution of the mysteries of the Universe.
Recent Updates
Update information of our websites
Related Websites | Projects and Centers
- Mizusawa VLBI Observatory
- Nobeyama Radio Observatory
- Solar Science Observation
- Subaru Telescope
- Okayama Branch
- Center for Computational Astrophysics
- NAOJ Chile
- NAOJ ALMA Project
- ngVLA Project
- Gravitational Wave Science Project
- Thirty Meter Telescope (TMT) Project
- JASMINE Project
- RISE Project
- SOLAR-C Project
- ASTE Project
- Astronomy Data Center
- Advanced Technology Center
- Public Relations Center
- Division of Science
- Library
- Industry Liaison Office
- Office of International Relations
